CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Mar. 31, 2013
Current assets:
Cash and cash equivalents	$ 2,510	$ 4,364
Accounts receivable, net of allowance for doubtful accounts of $6 at December 31, 2013 and $6 at March 31, 2013	4,502	3,766
Inventories, net	5,230	3,688
Deferred tax assets	110	110
Prepaid expenses and other current assets	426	263
Total current assets	12,778	12,191
Equipment and leasehold improvements, net	11,366	8,835
Restricted cash	1,851	3,360
Deferred tax assets	3,034	3,429
Other assets	843	772
Total assets	29,872	28,587
Current liabilities:
Current maturities of long-term debt	202	128
Customer deposits	60	33
Accounts payable	2,437	1,852
Accrued expenses	831	872
Total current liabilities	3,530	2,885
Long-term debt, excluding current maturities	5,303	5,454
Deferred rent	18	21
Total liabilities	8,851	8,360
Commitments and contingencies
Stockholders' equity:
Common stock of $0.02 par value, shares authorized 50,000,000; 5,486,438 shares issued and outstanding at December 31, 2013 and 5,463,938 shares at March 31, 2013	110	109
Additional paid-in capital	29,698	29,077
Accumulated deficit	(8,787)	(8,959)
Total stockholders' equity	21,021	20,227
Total liabilities and stockholders' equity	$ 29,872	$ 28,587